“retrospective study”的概念、定义、翻译、参考文献-科学参考

单词	retrospective study
释义	retrospective study Encyclopedia 理学临床试验的自适应性设计释 retrospective study观察性研究在自然状态下对研究对象的特征进行观察、记录，并对结果进行描述和对比分析的研究。 Mathematics retrospective study回溯研究
随便看	axillary axillary abscess axillary branch axillary choerospondias fruit axillofemoral artificial blood vessel grafting axinite axino axiological ethic axiom axiom A axiom A attractor axiom about adding and/or subtracting forces axiom about adding and subtracting forces axiom about adding forces axiom about adding or subtracting forces axiom about parallelogram rule for forces superposition axiom about subtracting forces axiom A diffeomorphism axiom A flow axiomatic axiomatical axiomatic approach axiomatic class axiomatic cohomology theory axiomatic complexity

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